X-ray nuclear emission of a sample of LINER Galaxies
نویسندگان
چکیده
منابع مشابه
X-ray Observations of Liner and Starburst Galaxies
We present the results of ASCA observations of a heteroge-nous sample of 15 spiral galaxies. 8 are LINERs or low-luminosity AGN (LLAGN), 5 are starburst galaxies and 2 are normal spiral galaxies. We find that in all cases the ASCA spectra can be described by a canonical model consisting of a power-law with a photon index, Γ ∼ 1.7 − 2.0, plus a soft optically thin emission component with kT ∼ 0....
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In the last eight years, the Chandra and XMM–Newton satellites changed significantly our view of X–ray clusters of galaxies. In particular, several complex phenomena have been directly observed: interactions between cluster galaxies and the Intra Cluster Medium (ICM), cold fronts in the ICM, hot bubbles due to relativistic jets from radio loud AGN, the lack of cold gas in “cool–cores”, and non–...
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We present a summary of X-ray spectral observations of 30 clusters of galaxies from HEAO-1. There exists strong correlations between X-ray luminosity, Lx , and temperature kT in the form L xaT2 ' 3 . This result combined with the Lx vs central galaxy density relation and the virial theorem indicates that the core radius of the gas should be roughly independent of Lx or KT and that more luminous...
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Clusters of galaxies are gravitationally bound configurations containing typically hundreds of galaxies in a region about 10 cm in size. They range from irregular clusters, with strong subclustering, no strong central concentration, and mainly spiral galaxies, to regular clusters, with smooth and centrally condensed galaxy distributions containing few spiral galaxies. Observations of these clus...
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We report the results from an homogeneous analysis of the X-ray (Chandra ACIS) data available for a sample of 51 LINER galaxies selected from the catalogue by Carrillo et al. (1999) and representative of the population of bright LINER sources. The nuclear X-ray morphology has been classified attending to their nuclear compactness in the hard band (4.5–8.0 keV) into 2 categories: Active Galactic...
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ژورنال
عنوان ژورنال: Proceedings of the International Astronomical Union
سال: 2005
ISSN: 1743-9213,1743-9221
DOI: 10.1017/s174392130600826x